CA1253941A - Dispositif d'affichage a cristal liquide - Google Patents

Dispositif d'affichage a cristal liquide

Info

Publication number
CA1253941A
CA1253941A CA000485550A CA485550A CA1253941A CA 1253941 A CA1253941 A CA 1253941A CA 000485550 A CA000485550 A CA 000485550A CA 485550 A CA485550 A CA 485550A CA 1253941 A CA1253941 A CA 1253941A
Authority
CA
Canada
Prior art keywords
liquid crystal
crystal element
light
securing member
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000485550A
Other languages
English (en)
Inventor
Isao Yasuhara
Norihiro Tamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Seiki Co Ltd
Original Assignee
Nippon Seiki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15150779&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1253941(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Seiki Co Ltd filed Critical Nippon Seiki Co Ltd
Application granted granted Critical
Publication of CA1253941A publication Critical patent/CA1253941A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Instrument Panels (AREA)
CA000485550A 1984-06-30 1985-06-27 Dispositif d'affichage a cristal liquide Expired CA1253941A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP135398/84 1984-06-30
JP59135398A JPS6115176A (ja) 1984-06-30 1984-06-30 液晶表示装置

Publications (1)

Publication Number Publication Date
CA1253941A true CA1253941A (fr) 1989-05-09

Family

ID=15150779

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000485550A Expired CA1253941A (fr) 1984-06-30 1985-06-27 Dispositif d'affichage a cristal liquide

Country Status (5)

Country Link
EP (1) EP0167368B1 (fr)
JP (1) JPS6115176A (fr)
KR (1) KR890005351B1 (fr)
CA (1) CA1253941A (fr)
DE (1) DE3585808D1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6259922A (ja) * 1985-09-10 1987-03-16 Canon Inc 強誘電性液晶素子
US4755035A (en) * 1986-02-25 1988-07-05 Motorola, Inc. Display assembly for LCD's
DE8634222U1 (de) * 1986-12-20 1988-04-21 Robert Bosch Gmbh, 70469 Stuttgart Anzeigevorrichtung mit Flüssigkristallzelle
EP0310889A3 (fr) * 1987-10-09 1991-07-03 Andreas Peiker Dispositif d'affichage comprenant plusieurs sources de lumière
FR2626999B1 (fr) * 1988-02-05 1993-08-27 Jaeger Dispositif comprenant un element d'affichage passif transmissif notamment pour montre electronique de vehicule automobile
US5066601A (en) * 1988-03-11 1991-11-19 Sam I1 Pharmaceutical Manufacturing Co., Ltd. Cancer screening method utilizing a modified millon's reagent
DE19621919A1 (de) * 1996-05-31 1997-12-04 Hella Kg Hueck & Co Anzeigeeinrichtung für Kraftfahrzeuge
FR2761029B1 (fr) * 1997-03-24 1999-06-04 Magneti Marelli France Tableau de bord pour vehicules automobiles comprenant un afficheur a aiguille et un afficheur electro-optique
DE19834259A1 (de) * 1998-07-30 2000-02-03 Meyer Bernd Anzeigevorrichtung mit Flachbildschirm
JP5063809B2 (ja) * 2009-03-19 2012-10-31 三菱電機株式会社 パネルに対する組付け構造
JPWO2011030560A1 (ja) * 2009-09-14 2013-02-04 ヤマハモーターエレクトロニクス株式会社 鞍乗り型車両用表示器および鞍乗り型車両
JP5648343B2 (ja) * 2010-06-30 2015-01-07 日本精機株式会社 表示装置
JP2013167534A (ja) * 2012-02-15 2013-08-29 Denso Corp 表示装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042294A (en) * 1976-03-17 1977-08-16 Micro Display Systems Inc Illuminated electro-optical display apparatus
US4294517A (en) * 1979-05-14 1981-10-13 Timex Corporation Electrooptical device with encapsulated self-luminous backlight assembly
US4247928A (en) * 1979-10-17 1981-01-27 Timex Corporation Integral lightpipe and display holder for a timepiece
US4357061A (en) * 1980-02-28 1982-11-02 Beckman Instruments, Inc. Electro-mechanical package of visual display and related circuitry
US4486077A (en) * 1982-02-22 1984-12-04 Davtron, Inc. Digital meter with uniform illumination and less inadvertent setting
JPS58209777A (ja) * 1982-05-31 1983-12-06 日本精機株式会社 液晶表示装置
JPS5944027A (ja) * 1982-09-06 1984-03-12 Toshiba Corp 液晶表示装置

Also Published As

Publication number Publication date
KR890005351B1 (ko) 1989-12-23
EP0167368A2 (fr) 1986-01-08
EP0167368B1 (fr) 1992-04-08
KR860000575A (ko) 1986-01-29
JPS6115176A (ja) 1986-01-23
DE3585808D1 (de) 1992-05-14
EP0167368A3 (en) 1988-03-09

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Legal Events

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